Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yu-Chin Lai0
Edmond T. Quinn0
Weihong Lang0
Date of Patent
December 15, 2009
0Patent Application Number
112935750
Date Filed
December 2, 2005
0Patent Primary Examiner
Patent abstract
A polysiloxane prepolymer that is useful for forming biomedical devices has the formula:M(*Dii*PS)x*Dii*M (I)wherein:each M is independently a polymerizable ethylenically unsaturated radical;each Dii is independently a diradical residue of a diisocyanate;each PS is independently a diradical residue of a polysiloxane-diol or a polysiloxane-diamine;each * is independently —NH—CO—NH—, —NH—COO— or —OCO—NH—; andx is at least 2.
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